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This paper gives a review and synthesis of methods of evaluating dimensionality reduction techniques. Particular attention is paid to rank-order neighborhood evaluation metrics. A framework is created for exploring dimensionality reduction…

机器学习 · 计算机科学 2019-02-25 Stephen L. France , Ulas Akkucuk

We propose a visual query language for interactively exploring large-scale knowledge graphs. Starting from an overview, the user explores bar charts through three interactions: class expansion, property expansion, and subject/object…

数据库 · 计算机科学 2019-01-29 Oren Kalinsky , Oren Mishali , Aidan Hogan , Yoav Etsion , Benny Kimelfeld

Translating natural language queries into SQLs in a seq2seq manner has attracted much attention recently. However, compared with abstract-syntactic-tree-based SQL generation, seq2seq semantic parsers face much more challenges, including…

计算与语言 · 计算机科学 2023-06-16 Yuntao Li , Zhenpeng Su , Yutian Li , Hanchu Zhang , Sirui Wang , Wei Wu , Yan Zhang

Recent cross-domain recommendation (CDR) studies assume that disentangled domain-shared and domain-specific user representations can mitigate domain gaps and facilitate effective knowledge transfer. However, achieving perfect…

信息检索 · 计算机科学 2024-11-27 Jing Du , Zesheng Ye , Bin Guo , Zhiwen Yu , Jia Wu , Jian Yang , Michael Sheng , Lina Yao

We present a novel model for the problem of ranking a collection of documents according to their semantic similarity to a source (query) document. While the problem of document-to-document similarity ranking has been studied, most modern…

计算与语言 · 计算机科学 2021-12-15 Dvir Ginzburg , Itzik Malkiel , Oren Barkan , Avi Caciularu , Noam Koenigstein

Today, comprehensive evaluation of large-scale machine learning models is possible thanks to the open datasets produced using crowdsourcing, such as SQuAD, MS COCO, ImageNet, SuperGLUE, etc. These datasets capture objective responses,…

人机交互 · 计算机科学 2021-11-29 Nikita Pavlichenko , Dmitry Ustalov

As a promising field, Multi-Query Image Retrieval (MQIR) aims at searching for the semantically relevant image given multiple region-specific text queries. Existing works mainly focus on a single-level similarity between image regions and…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Zhong Ji , Zhihao Li , Yan Zhang , Haoran Wang , Yanwei Pang , Xuelong Li

Disentangled representation learning remains challenging as the underlying factors of variation in the data do not naturally exist. The inherent complexity of real-world data makes it unfeasible to exhaustively enumerate and encapsulate all…

计算与语言 · 计算机科学 2024-02-13 Jiawei Zhou , Xiaoguang Li , Lifeng Shang , Xin Jiang , Qun Liu , Lei Chen

In this paper, we present an embedding-based framework (TrQuery) for recommending solutions of a SPARQL query, including approximate solutions when exact querying solutions are not available due to incompleteness or inconsistencies of…

数据库 · 计算机科学 2018-06-19 Lijing Zhang , Xiaowang Zhang , Zhiyong Feng

Partial evaluation has recently been used for processing SPARQL queries over a large resource description framework (RDF) graph in a distributed environment. However, the previous approach is inefficient when dealing with complex queries.…

分布式、并行与集群计算 · 计算机科学 2019-02-18 Peng Peng , Lei Zou , Runyu Guan

For reinforcement learning on complex stochastic systems where many factors dynamically impact the output trajectories, it is desirable to effectively leverage the information from historical samples collected in previous iterations to…

机器学习 · 统计学 2022-09-13 Hua Zheng , Wei Xie , M. Ben Feng

With the adoption of RDF as the data model for Linked Data and the Semantic Web, query specification from end- users has become more and more common in SPARQL end- points. In this paper, we conduct an in-depth analytical study of the…

数据库 · 计算机科学 2017-08-02 Angela Bonifati , Wim Martens , Thomas Timm

The relational data model offers unrivaled rigor and precision in defining data structure and querying complex data. Yet the use of relational databases in scientific data pipelines is limited due to their perceived unwieldiness. We propose…

数据库 · 计算机科学 2018-07-31 Dimitri Yatsenko , Edgar Y. Walker , Andreas S. Tolias

Collecting accurate and fine-grain information about the music people like, dislike and actually listen to has long been a challenge for sociologists. As millions of people now use online music streaming services, research can build upon…

The rapid growth of location-based services (LBS) has yielded massive amounts of data on human mobility. Effectively extracting meaningful representations for user-generated check-in sequences is pivotal for facilitating various downstream…

机器学习 · 计算机科学 2024-07-26 Letian Gong , Huaiyu Wan , Shengnan Guo , Xiucheng Li , Yan Lin , Erwen Zheng , Tianyi Wang , Zeyu Zhou , Youfang Lin

This paper revisits datasets and evaluation criteria for Symbolic Regression (SR), specifically focused on its potential for scientific discovery. Focused on a set of formulas used in the existing datasets based on Feynman Lectures on…

机器学习 · 计算机科学 2025-01-06 Yoshitomo Matsubara , Naoya Chiba , Ryo Igarashi , Yoshitaka Ushiku

In this study, we conducted semi-structured interviews with 21 IIR researchers to investigate their data reuse practices. This study aims to expand upon current findings by exploring IIR researchers' information-obtaining behaviors…

信息检索 · 计算机科学 2025-12-23 Tianji Jiang , Wenqi Li , Jiqun Liu

Regression analysis is used for prediction and to understand the effect of independent variables on dependent variables. Symbolic regression (SR) automates the search for non-linear regression models, delivering a set of hypotheses that…

机器学习 · 计算机科学 2025-04-09 Fabricio Olivetti de Franca , Gabriel Kronberger

Data visualizations are central to scientific communication, journalism, and everyday decision-making, yet they are frequently prone to errors that can distort interpretation or mislead audiences. Rule-based visualization linters can flag…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Valentin Bonas , Martin Sinnona , Viviana Siless , Emmanuel Iarussi

This paper addresses the harmonization of metadata from diverse repositories of language resources (LRs). Leveraging linked data and RDF techniques, we integrate data from multiple sources into a unified model based on DCAT and META-SHARE…

计算与语言 · 计算机科学 2025-01-13 Zixuan Liang